The Toronto Maple Leafs acquired Brandon Carlo from the Boston Bruins for Fraser Minten, a 2026 1st round pick and a 2025 4th round pick
The Florida Panthers acquired Brad Marchand from the Boston Bruins for a conditional 2027 2nd round pick
The Boston Bruins acquired Henri Jokiharju from the Buffalo Sabres for a 2026 4th round pick
The Colorado Avalanche acquired Charlie Coyle and a 2026 5th round pick from the Boston Bruins for Casey Mittelstadt, William Zellers and a 2025 2nd round pick
The Minnesota Wild acquired Justin Brazeau from the Boston Bruins for Marat Khusnutdinov, Jakub Lauko, and a 2026 6th round pick
The Edmonton Oilers acquired Max Jones and Petr Hauser from the Boston Bruins for Max Wanner, a 2025 2nd round pick, and 2026 4th round pick as part of the Trent Frederic three-team trade with NJD
The New Jersey Devils acquired Trent Frederic from the Boston Bruins for Petr Hauser in a three team trade with EDM
The Minnesota Wild acquired Jakub Lauko and a 2024 4th round pick (#110) from the Boston Bruins for Vinni Lettieri and a 2024 4th round pick (#122)
The Ottawa Senators acquired Linus Ullmark from the Boston Bruins for Joonas Korpisalo, Mark Kastelic, and a 2024 1st round pick (#25)
Grosenick signed a one-year, two-way contract with the Boston Bruins on Wednesday, Matt Porter of The Boston Globe reports.
Asselin signed a two-year, entry-level contract with the Boston Bruins on Wednesday, Mark Divver of the New England Hockey Journal reports.
Foligno signed a two-year, $7.6 million contract with the Boston Bruins on Wednesday.
Nosek signed a two-year, $3.5 million contract with the Boston Bruins on Wednesday.
Haula signed a two-year, $4.75 million contract with the Boston Bruins on Wednesday.
Ullmark (lower body) signed a four-year, $20 million contract with the Boston Bruins on Wednesday, Pierre LeBrun of The Athletic reports.
Forbort signed a three-year, $9 million contract with the Boston Bruins on Wednesday, Fluto Shinzawa of The Athletic reports.
Reilly signed a three-year contract with the Boston Bruins on Tuesday worth about $3 million annually, Matt Porter of The Boston Globe reports.
Hall agreed to terms on a four-year, $24 million contract with the Boston Bruins on Thursday, Matt Porter of The Boston Globe reports.
Carlo (undisclosed) signed a six-year contract extension with the Boston Bruins on Wednesday. Additionally, per Fluto Shinzawa of The Athletic, Carlo has resumed training, feels normal and will start skating next week.
Koppanen has signed a one-year deal with the Boston Bruins for the 2021-22 season, Fluto Shinzawa of The Athletic reports.
The Bruins have signed Hughes to a one-year deal for the 2021-22 season, Fluto Shinzawa of The Athletic reports.
Zummack has signed a two-year deal with AHL Providence.
Frederic agreed to terms on a two-year, $2.1 million contract with Boston on Friday.
Blidh signed a one-year, two-way contract with the Boston Bruins on Thursday.
Froden signed a one-year contract with the Boston Bruins on Monday.
Vladar has been called up from AHL Providence and is dressing as the backup Tuesday against the Washington Capitals, Tom Gulitti of NHL.com reports.
Per NHL.com, Studnicka has been added to Boston's active roster and will play in Tuesday's season finale versus Washington.
Vaakanainen has been added to Boston's roster and will play in Tuesday's regular-season finale against the Washington Capitals.
Ahcan has been added to Boston's roster and will play in Tuesday's regular-season finale against the Washington Capitals.
Senyshyn will be promoted to Boston's active roster and draw into the lineup for Tuesday's regular-season finale versus Washington, NHL.com reports.
Steen has been added to Boston's roster and will play in Tuesday's regular-season finale against the Washington Capitals.
McKegg has been added to Boston's roster and will play in Tuesday's regular-season finale against the Washington Capitals.
Hughes will be promoted to Boston's active roster and enter the lineup for Tuesday's regular-season finale versus Washington.
Kase (concussion) will be activated for Monday night's game against the New York Islanders, Eric Russo of the Boston Bruins' official site reports.
Swayman will start Thursday night's game against the New York Rangers.
Carlo (oblique) will be activated from IR and return to action Tuesday night against the New Jersey Devils, Joe Haggerty of BostonHockeyNow.com reports.
Ahcan has been returned to AHL Providence, Mark Divver of the New England Hockey Journal reports.
The Bruins reassigned Vaakanainen to AHL Providence on Wednesday, Mark Divver of the New England Hockey Journal reports.
Swayman was elevated to the active roster and will start Sunday's road game against the Pittsburgh Penguins.
Halak (not injury related) was activated from the non-roster list and served as backup to Jeremy Swayman in Thursday's 5-1 win over the Buffalo Sabres.
Ahcan has joined the Boston Bruins' taxi squad in advance of Tuesday's game against the Buffalo Sabres, Kevin Paul Dupont of the Boston Globe reports.
Vaakanainen was added to the taxi squad Tuesday, Mark Divver of the New England Hockey Journal reports.
Vladar is back with AHL Providence, Mark Divver of the New England Hockey Journal reports.
The Bruins have signed Lyle to an entry-level contract.
Halak cleared COVID-19 protocol and returned to the ice Sunday, Matt Porter of The Boston Globe reports.
Ahcan has been returned to AHL Providence, Mark Divver of the New England Hockey Journal reports.
Senyshyn has been returned to AHL Providence, Mark Divver of the New England Hockey Journal reports.
Vladar will be added to the Boston Bruins' roster in order to back up Jeremy Swayman in Friday night's game against the New York Islanders.
Vladar has been returned to AHL Providence, Joe Haggerty of BostonHockeyNow.com reports.
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